2 分数乘法
直接写出得数.
①2﹣
= ②0.1÷0.01= ③
×
= ④
+
=
⑤127+28= ⑥1÷7+
= ⑦1.8×0.3= ⑧2.9+4.5=
⑨
×2÷
×2= ⑩0.25×99+0.25= .
直接写出得数.
+
= 10﹣5.75= 7÷0.01=
×
= 1.7×5.4×0=
54+49+46= 6298÷70= (
+
)×30= 1×(
﹣1÷3)=
﹣
×
=
直接写得数.
+
=
+0.625=
×
=
÷7= 0.28+4.52=
9.1÷1.3= 9×
÷9×
= 3.2÷4= 4÷0.01×0.1= 18
÷9=
直接写出得数:
2.2+3.5= 0.4×30= 8÷1.6=
8.2十1.8= 4.43+5.57= 8.4÷0.6=
3.5﹣1.5= 1.25×5×8=
=
=
直接写出得数.
①
×1.6= ②0.8÷0.01= ③3.6÷40= ④
÷
=
⑤
+6.25= ⑥0.74×100= ⑦0.375÷
= ⑧40×101=
直接写出得数.
529+198= 0.418×100= 305﹣199= 2.05×4=
8×12.5%= 0.68+
+0.32=
+
×0=
÷
+0.75×8=
直接写出得数
180÷30= 1﹣0.75= 0.5÷25= 52×4.9≈ 398+435=
+
=
×12= 5÷10%= 0.32= (
+
)×12=
直接写出得数.
3.5%×9.9= 4.62+9.9= 4×0.6+0.6÷4= 0.125×80=
0.25﹣
= 11.3﹣8.6=
÷
=
+0.5=





×
= 7.2÷0.8×9=
=
=
×4÷
=
×0.7=
×1
=
+
﹣
=
﹣
﹣
= (
+
)×24=
=
×1
= 1÷7+
+
= 1.02﹣0.43=
÷25%×
=
×2÷
+
=
= 8.7﹣4.8= 1.25×2.4=
= 1÷
=
×
=
×
×6= 0×
=
×10=
×
=
×4=
+
= 0.25×
=
×
= a×
﹣
=
+
×
×3=
×
×
=
+
=
﹣
)×0= 2÷2%= 24×
×3÷3×
﹣
=
×
=
= 1.03+0.07=
×25%= 0.05×100= 0.6:0.36=
+
×9=
×
= 3×
×
=
÷
×
=
= 0.9+99×0.9=
= 69×
=
×8÷
)×4=
= 1÷0.2= 0.62=
×
=
×2÷
,再涂色表示
的积.
+
= 8﹣
=
×12= 5﹣1.4﹣1.6=
+
×0=
=
×8.1=
=
÷3= 0.99×9+0.99= 7×
÷
×
= 5﹣
= 1﹣
+
= 0.25×8.5×4=
= 11﹣
= 4×(
﹣
)=
=
= 24÷0.4=
= 12.5×0.7×8= 4+
=
×7+
+
﹣
)×36.
=
=
=
=
=
吨后剩下
吨,若用去
,则剩下
吨 .
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